Author: Brian Katz
Date: 23:57:58 02/10/02
Go up one level in this thread
On February 11, 2002 at 01:18:56, John Merlino wrote: >On February 10, 2002 at 17:31:10, Aseldar Salautdinov wrote: > >>[D]8/R7/6kp/1Pp5/2P2K2/7P/p4P2/8 b - - 0 1 >> >>Analysis by Fritz 7 (22.01.2002): >> >>63...a1Q 64.Rxa1 Kf7 65.b6 Kg6 66.b7 Kh5 67.b8Q Kh4 68.Qd8+ Kxh3 69.Qc8+ Kh4 >> +- (15.94) Depth: 10/23 00:00:00 127kN >>63...Kf6! >> +- (15.91) Depth: 10/23 00:00:00 137kN >>63...Kf6! >> +- (15.75) Depth: 10/23 00:00:00 141kN >>63...Kh5! >> +- (15.72) Depth: 10/23 00:00:00 150kN >>63...Kh5! >> +- (15.56) Depth: 10/23 00:00:00 153kN >>63...Kh5! >> +- (15.25) Depth: 10/23 00:00:00 156kN >>63...Kh5! >> +- (14.62) Depth: 10/23 00:00:00 159kN >>63...Kh5-- >> +- (14.91) Depth: 11/19 00:00:00 166kN >>63...Kh5 64.b6 Kg6 65.b7 Kf7 66.b8Q+ Kg6 67.Qg8+ >> +- (#12) Depth: 11/23 00:00:00 231kN >>63...Kf6! >> +- (#14) Depth: 11/23 00:00:00 258kN >>63...Kf6! >> +- (#20) Depth: 11/23 00:00:00 266kN >>63...Kf6! >> +- (#31) Depth: 11/23 00:00:00 275kN >>63...Kf6! >> +- (#52) Depth: 11/23 00:00:00 283kN >>63...Kf6 64.b6 Kg6 >> +- (#71) Depth: 11/23 00:00:01 390kN >>63...a1Q! >> +- (#73) Depth: 11/23 00:00:01 408kN >>63...a1Q! >> +- (#79) Depth: 11/23 00:00:01 415kN >>63...a1Q! >> +- (#90) Depth: 11/23 00:00:01 421kN >>63...a1Q! >> +- (#111) Depth: 11/23 00:00:01 427kN >>63...a1R! >> +- (#113) Depth: 11/23 00:00:01 471kN >>63...a1R! >> +- (#119) Depth: 11/23 00:00:01 476kN >>63...a1R! >> +- (#130) Depth: 11/23 00:00:01 481kN >>63...a1R! >> +- (#151) Depth: 11/23 00:00:01 485kN >>63...a1B! >> +- (#153) Depth: 11/23 00:00:01 547kN >>63...a1B! >> +- (#159) Depth: 11/23 00:00:01 563kN >>63...a1B! >> +- (#170) Depth: 11/23 00:00:01 576kN >>63...a1B! >> +- (#191) Depth: 11/23 00:00:01 590kN >>63...a1N! >> +- (#193) Depth: 11/23 00:00:01 660kN >>63...a1N! >> +- (#199) Depth: 11/24 00:00:01 684kN >>63...a1N! >> +- (#209) Depth: 11/24 00:00:01 701kN >>63...a1N! >> +- (#229) Depth: 11/24 00:00:01 712kN >>63...h5! >> +- (#230) Depth: 11/24 00:00:01 765kN >>63...h5! >> +- (#235) Depth: 11/24 00:00:01 777kN >>63...h5! >> +- (#245) Depth: 11/24 00:00:02 788kN >>63...h5! >> +- (#265) Depth: 11/24 00:00:02 799kN >>63...h5! >> +- (#265) Depth: 11/24 00:00:02 823kN > >Yep, it's very confused. Here's CM8000's analysis: > >Time Depth Score Positions Moves >0:00 4/5 10.62 4079 1...Kf6 2. Rxa2 h5 3. Ra8 Ke6 4. > Re8+ Kd6 >0:00 6/7 15.93 24996 1...Kh5 2. Rxa2 Kh4 3. b6 Kxh3 > 4. b7 Kh4 5. b8=Q >0:01 7/8 16.63 51331 1...Kh5 2. b6 Kh4 3. b7 Kxh3 4. > b8=Q Kg2 5. Ke4 h5 6. Qg3+ Kf1 > 7. Rxa2 >0:02 8/9 Mate10 181535 1...Kh5 2. b6 Kh4 3. b7 Kh5 4. > b8=Q a1=Q 5. Qe8+ Kh4 6. Qe7+ Qf6+ > 7. Qxf6+ Kxh3 8. Qc3+ Kg2 9. Qf3+ > Kh2 10. Qg3+ Kh1 11. Ra1# >0:03 9/10 Mate07 322602 1...Kh5 2. b6 Kh4 3. b7 Kh5 4. > b8=Q a1=Q 5. Rxa1 Kg6 6. Ra6+ Kf7 > 7. Qb7+ Kg8 8. Ra8# >0:05 10/11 Mate07 638476 1...Kh5 2. b6 Kh4 3. b7 Kh5 4. > b8=Q a1=Q 5. Rxa1 Kg6 6. Ra6+ Kf7 > 7. Qb7+ Kg8 8. Ra8# >0:09 11/12 Mate07 1168317 1...Kh5 2. b6 Kh4 3. b7 Kh5 4. > b8=Q a1=Q 5. Rxa1 Kg6 6. Ra6+ Kf7 > 7. Qb7+ Kg8 8. Ra8# > >And here's what it says after Fritz7's magic 1...h5 move: > >Time Depth Score Positions Moves >0:00 4/5 17.41 5465 2. b6 a1=Q 3. Rxa1 Kf7 4. b7 h4 > 5. b8=Q >0:00 6/7 17.62 34882 2. b6 h4 3. b7 a1=Q 4. Rxa1 Kf6 > 5. Ra6+ Kf7 6. b8=Q >0:01 7/8 Mate08 132173 2. b6 h4 3. b7 a1=Q 4. Rxa1 Kh6 > 5. b8=Q Kh5 6. Qe5+ Kg6 7. Rg1+ > Kf7 8. Rg7+ Kf8 9. Qe7# >0:01 8/9 Mate07 244974 2. b6 h4 3. b7 a1=Q 4. Rxa1 Kh6 > 5. b8=Q Kg7 6. Ra7+ Kg6 7. Qb6+ > Kh5 8. Rh7# >0:03 9/10 Mate07 416633 2. b6 h4 3. b7 a1=Q 4. Rxa1 Kf7 > 5. b8=Q Kf6 6. Ra6+ Kf7 7. Qc7+ > Kg8 8. Ra8# >0:05 10/11 Mate07 742150 2. b6 h4 3. b7 a1=Q 4. Rxa1 Kf7 > 5. b8=Q Kf6 6. Ra6+ Kf7 7. Qc7+ > Kg8 8. Ra8# >0:08 11/12 Mate07 1205139 2. b6 h4 3. b7 a1=Q 4. Rxa1 Kf7 > 5. b8=Q Kf6 6. Ra6+ Kf7 7. Qc7+ > Kg8 8. Ra8# > >Not sure what Fritz7 is thinking here. Must be a bug, eh? > >jm I ran this position with Fritz 7 (January 11,2002 modification date) This is it's findings after 3 minutes of analysis: New game 8/R7/6kp/1Pp5/2P2K2/7P/p4P2/8 b - - 0 1 Analysis by Fritz 7: Modification Date of January 11, 2002 3 minutes of infinite analysis. 1. +- (18.37): 63...Kf6 64.b6 2. +- (18.66): 63...h5 64.b6 3. +- (#130): 63...a1Q 64.Rxa1 Kf6 4. +- (#129): 63...a1B 64.Rxa1 Kg7 5. +- (#127): 63...a1R 64.Rxa1 Kg7 6. +- (#57): 63...Kh5 64.b6 a1Q 7. +- (#34): 63...a1N 64.b6 Nb3 We can't stop here. Now we have to try the other Fritz 7 upgrades plus the two versions of the (No MMX)engine that is available. New game 8/R7/6kp/1Pp5/2P2K2/7P/p4P2/8 b - - 0 1 Analysis by Fritz 7: Modification Date of January 7, 2002 3 minutes of infinite analysis. 1. +- (18.40): 63...Kf6 64.b6 2. +- (18.68): 63...h5 64.b6 3. +- (#135): 63...a1Q 64.Rxa1 Kf6 4. +- (#134): 63...a1B 64.Rxa1 Kg7 5. +- (#133): 63...a1R 64.Rxa1 Kg7 6. +- (#57): 63...Kh5 64.b6 Kh4 7. +- (#35): 63...a1N 64.b6 Nb3 New game 8/R7/6kp/1Pp5/2P2K2/7P/p4P2/8 b - - 0 1 Analysis by Fritz 7: 1:16 seconds of infinite analysis. Modification Date of November 5, 2001 (7,0,0,2) Version, which is the version which comes with the English CD. 1. +- (#17): 63...Kf6 64.Rxa2 h5 65.b6 Ke6 66.Rd2 2. +- (#16): 63...h5 64.b6 h4 65.Rxa2 3. +- (#15): 63...a1R 64.Rxa1 h5 65.b6 4. +- (#15): 63...a1B 64.Rxa1 h5 65.b6 5. +- (#15): 63...a1Q 64.Rxa1 h5 65.b6 Kf6 66.Ra7 6. +- (#15): 63...a1N 64.Rxa1 h5 65.b6 7. +- (#13): 63...Kh5 64.Rxa2 Kg6 65.h4 Kg7 66.b6 New game 8/R7/6kp/1Pp5/2P2K2/7P/p4P2/8 b - - 0 1 Analysis by Fritz 7: Modification Date of October 25, 2001 Version 7,0,0,1 1. +- (#17): 63...a1R 64.Rxa1 Kh7 65.Rg1 2. +- (#17): 63...a1B 64.Rxa1 Kh7 65.Rg1 3. +- (#17): 63...a1Q 64.Rxa1 Kh7 65.Rg1 4. +- (#17): 63...a1N 64.Rxa1 Kh7 65.Rg1 5. +- (#16): 63...Kf6 64.Rxa2 Kg7 65.Ra7+ 6. +- (#15): 63...h5 64.Rxa2 Kg7 65.Ra7+ Kg6 7. +- (#14): 63...Kh5 64.Kf5 a1Q 65.Rxa1 Kh4 New position 8/R7/6kp/1Pp5/2P2K2/7P/p4P2/8 b - - 0 1 Analysis by Fritz 7 (No MMX)modification Date of October 30, 2001 Version 6.0.0.76 minutes of analysis 1. +- (#14): 63...h6-h5 64.b5-b6 Kg6-h6 65.b6-b7 2. +- (#13): 63...Kg6-f6 64.b5-b6 h6-h5 3. +- (#11): 63...a2-a1Q 64.Ra7xa1 Kg6-f7 65.b5-b6 4. +- (#11): 63...a2-a1R 64.Ra7xa1 5. +- (#11): 63...a2-a1B 64.Ra7xa1 6. +- (#11): 63...a2-a1N 64.Ra7xa1 7. +- (#9): 63...Kg6-h5 64.Ra7xa2 Kh5-g6 65.b5-b6 Kg6-f7 66.b6-b7 New position 8/R7/6kp/1Pp5/2P2K2/7P/p4P2/8 b - - 0 1 Analysis by Fritz 7 (No MMX): Modification Date of October 13, 2001 Version 6.0.0.76 After 3 minutes of analysis but it found all this in only 12 seconds 1. +- (#12): 63...a2-a1R 64.Ra7xa1 Kg6-f7 65.b5-b6 2. +- (#12): 63...a2-a1B 64.Ra7xa1 3. +- (#12): 63...a2-a1Q 64.Ra7xa1 4. +- (#12): 63...Kg6-f6 64.b5-b6 Kf6-e6 65.b6-b7 5. +- (#12): 63...a2-a1N 64.Ra7xa1 6. +- (#11): 63...Kg6-h5 64.b5-b6 Kh5-g6 65.b6-b7 7. +- (#11): 63...h6-h5 64.b5-b6 a2-a1Q 65.Ra7xa1 Kg6-f6 66.b6-b7 I ran the Deep Fritz engine (single processor)and it immediately announces mate in 12 moves, in some variantions, and less in others. New game 8/R7/6kp/1Pp5/2P2K2/7P/p4P2/8 b - - 0 1 Analysis by Deep Fritz: 1. +- (#12): 63...h5 64.Rxa2 Kf7 65.b6 2. +- (#12): 63...Kf6 64.b6 Ke6 65.b7 3. +- (#11): 63...a1R 64.Rxa1 h5 65.Ra6+ 4. +- (#11): 63...a1N 64.Rxa1 h5 65.Ra6+ 5. +- (#11): 63...a1Q 64.Rxa1 h5 65.Ra6+ 6. +- (#11): 63...a1B 64.Rxa1 h5 65.Ra6+ 7. +- (#9): 63...Kh5 64.Rxa2 Kh4 Fritz 5.32 found 7 different mates in 7 within 35 seconds. New game 8/R7/6kp/1Pp5/2P2K2/7P/p4P2/8 b - - 0 1 Analysis by Fritz 5.32: 1. +- (#7): 63...Kh5 64.b6 Kh4 65.b7 Kxh3 66.b8Q Kg2 67.Rxa2 h5 2. +- (#7): 63...Kf6 64.b6 a1Q 65.Rxa1 h5 66.b7 h4 67.b8Q Kg6 3. +- (#7): 63...h5 64.b6 a1Q 65.Rxa1 Kf7 66.b7 Kg6 67.b8Q h4 68.Qc7 4. +- (#7): 63...a1Q 64.Rxa1 Kf7 65.b6 h5 5. +- (#7): 63...a1B 64.Rxa1 6. +- (#7): 63...a1R 64.Rxa1 7. +- (#7): 63...a1N 64.Rxa1 New game 8/R7/6kp/1Pp5/2P2K2/7P/p4P2/8 b - - 0 1 Analysis by Fritz 6e: 1. +- (#14): 63...Kf6 64.b6 Ke6 65.b7 a1Q 66.Rxa1 2. +- (#13): 63...a1N 64.Rxa1 Kg7 65.Kf5 3. +- (#13): 63...a1R 64.Rxa1 4. +- (#13): 63...a1Q 64.Rxa1 5. +- (#13): 63...a1B 64.Rxa1 6. +- (#11): 63...Kh5 64.b6 Kg6 65.b7 7. +- (#11): 63...h5 64.b6 Kf6 65.b7 There are quite a few problems with the Fritz 7 engine. With all these bugs is still plays as strong as is does. How strong will it be if they finally rid the engine of most of the bugs? That remains to be seen. Regards Brian
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